Specialty Products™ Inset Plug, For Use with: ABS or PVC SCH 40 DWV Pipe and Fitting, Plastic, White, 4 in Dia, Domestic

Designed for ABS or PVC Schedule 40 DWV pipe. Hinged knockouts prevent center from falling into pipe. Constructed of high-impact plastic. White in color. Made in the U.S.A.